Home / 21,756,371.58-32,631,009.57-6,400,069.20

Finding the Fourth Proportional to 21,756,371.58, 32,631,009.57 and 6,400,069.20

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Solution

The fourth proportional to 21,756,371.58, 32,631,009.57 and 6,400,069.20 is: 9,599,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756,371.58 : 32,631,009.57 = 6,400,069.20 : x
  2. Step 2: Convert to fraction form
    21,756,371.58/32,631,009.57 = 6,400,069.20/x
  3. Step 3: Cross multiply
    21,756,371.58x = 32,631,009.57 × 6,400,069.20
  4. Step 4: Simplify right side
    21,756,371.58x = 208,840,719,313,862.25
  5. Step 5: Solve for x
    x = 208,840,719,313,862.25/21,756,371.58
  6. Step 6: Final answer
    x = 9,599,060.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.